Browsing by Subject "Astronomia"
Now showing items 1-20 of 70
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A linear scale height Chapman model supported by GNSS occultation measurements
(2016-05)
Conference lecture
Open AccessGlobal Navigation Satellite Systems (GNSS) radio occultations allow the vertical sounding of the Earth's atmosphere, in particular, the ionosphere. The physical observables estimated with this technique permit to test ... -
Actividades del sector espacial
(Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 1997)
Article
Open Access -
Adaptación de un telescopio comercial para usuarios con movilidad reducida
(Universitat Politècnica de Catalunya, 2015-03-10)
Bachelor thesis
Open AccessThis project presents the adaptation of a commercial telescope for users with disabilities. The designed system enables access to this field of science by persons with difficulties to operate this type of technology ... -
Algunes experiències del grup de recerca gAGE sobre transferència tecnològica a l'àmbit de la navegació per satèl·lit.
(2008-12-04)
Audiovisual
Open Access -
Anímate a participar en "Ciencia en Acción" y "Adopta una Estrella"
(2009)
Article
Restricted access - author's decision -
Aristarc de Samos, el geòmetra que va mesurar l'univers
(Societat Catalana de Matemàtiques (SCM), 2020-02)
Article
Open AccessEn aquest article després de la presentació biogràfica d'Aristarc de Samos, s'analitzen les demostracions que va emprar a la seva obra per trobar les mides i les distàncies del Sol i la Lluna. -
Astronomia de raigs X - L'Univers en condicions extremes
(2009-11-18)
Audiovisual
Open AccessConferència Setmana de la Ciència. -
Astronomie
(Veue Desaint, 1771)
Book
Open Access -
Astronomía ficción
(2008-02)
Article
Open Access -
Astronomía ficción
(1995-07)
Article
Open Access -
Astronomía popular
(F. Granada, 19uu)
Book
Open Access -
Automated GPS Signal-in-Space anomalies monitoring over more than 11 years
(ION Publications (The Institute of navigation), 2019)
Conference report
Restricted access - author's decision -
Comparing performances of seven different global VTEC ionospheric models in the IGS context
(International GNSS Service (IGS), 2016)
Conference report
Restricted access - publisher's policyA summary of the main concepts on Global Ionospheric Map(s) (hereinafter GIM(s)) of Vertical Electron Content (VTEC), with special emphasis on their assessment, is presented in this paper. It is based on the experience ... -
Computation of analytical solutions of the relative motion about a Keplerian elliptic orbit
(2012-01)
Article
Restricted access - publisher's policyThe purpose of this paper is to obtain a third-order expression, for the in-plane and out-of-plane amplitudes, of the solutions of the elliptic Hill–Clohessy–Wiltshire non-linear equations. The resulting third-order solution ... -
COSMOS: divulgación muy bien hecha
(2010-10)
Article
Open Access -
D.01. GPS-DF FE characterisation report
(2018-01-14)
External research report
Restricted access - confidentiality agreement -
Dynamical behavior of asteroids near resonance: the 4:1 gap and the 7:2 group
(1999-08)
Article
Restricted access - publisher's policyA comparative study of the evolution of the Sun–Jupiter–Asteroid system near the 4:1 and 7:2 resonances is performed by means of two techniques that proceed differently from the Hamiltonian corresponding to the planar ... -
Editorial : expo ESA, el sector espacial al alcance de la mano
(Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 1999)
Article
Open Access -
Electron density retrieval from truncated Radio Occultation GNSS data
(2019-06-01)
Article
Open AccessThis paper summarizes the definition and validation of two complementary new strategies, to invert incomplete Global Navigation Satellite System Radio-Occultation (RO) ionospheric measurements, such as the ones to be ... -
Estrellas y constelaciones
(Universitat Politècnica de Catalunya, 2017-10)
Bachelor thesis
Open Access
